package collection;

import java.util.ArrayList;
import java.util.List;

public class ListDemo2 {
    public static void main(String[] args) {
        List<String>list =new ArrayList<>();
        list.add("one");
        list.add("two");
        list.add("three");
        list.add("fout");
        list.add("five");
        System.out.println(list);

        list.add(2,"six");
        System.out.println(list);

       String old= list.remove(3);
        System.out.println(list);
        System.out.println(old);//接受所删除的数
    }
}
